The home side went ahead but were then pegged back by an Emerson Palmieri goal which the German manager had a number of issues with - the most pressing of which was the fact he believed the visitors should have been flagged offside.
“You have two players that are clearly offside and they block,” he said. “They don’t touch the ball. They block players, my players. That means a big impact in the situation.
“I don’t think you have to go to the ball. If you all can block when we are offside that would change set-pieces massively, to be honest. “
Then Barkley makes the header and, for me, is offside as well – not much.”
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